CN203826637U - Earphone connector and electronic equipment - Google Patents

Abstract

The utility model is applicable to the structural technical field of earphone connectors, and provides an earphone connector and electronic equipment. The earphone connector includes an insulating socket and a conductive terminal, and the insulating socket is provided with an earphone jack; the insulating socket includes a first insulating seat , the second insulating seat and the third insulating seat, the earphone jack is set on the second insulating seat, the conductive terminal is molded on the first insulating seat by insert injection molding and forms a first assembly with the first insulating seat, the first assembly The card is installed on the second insulating seat and constitutes a second component with the second insulating seat, and the third insulating seat packages and fixes the first component on the second insulating seat. The utility model divides the insulating socket into three parts and forms the conductive terminal insert on the first insulating seat, so that the cooperation between the conductive terminal and the first insulating seat is relatively tight, and the cooperation between the conductive terminal and the insulating socket is avoided. The appearance of small holes formed at the place improves the sealing performance of the joint between the conductive terminal and the insulating socket.

Description

Headphone connectors and electronic equipment

technical field

The utility model belongs to the technical field of earphone connector structures, in particular to an earphone connector and electronic equipment with the earphone connector.

Background technique

Electronic equipment with audio playback function is generally equipped with an earphone connector for inserting the earphone plug. The earphone connector includes a plastic socket and a conductive terminal embedded in the plastic socket. The plastic socket is provided with an earphone plug for the earphone plug to insert. The conductive terminal includes a main body embedded in the plastic socket, a contact part extending along the main body and protruding on the inner wall of the earphone jack, and a welding foot part extending along the main body and protruding outside the plastic socket.

In the prior art, the conductive terminals are generally installed on the plastic socket by means of riveting. In order to realize the riveting installation of the conductive terminal, the plastic socket needs to be provided with a mounting hole for the riveting installation of the conductive terminal, and the mounting hole communicates with the earphone jack. Since the contact portion of the conductive terminal is bent along the end of the main body and extends into the earphone jack, after the conductive terminal is crimped and installed in the mounting hole, the cooperation between the conductive terminal and the mounting hole will inevitably be difficult. Make some small holes that communicate with the headphone jack. These small holes will directly affect the sealing performance of the earphone connector, making the waterproof and dustproof effects of the earphone connector poor. In this way, in specific applications, on the one hand, impurities such as external dust and moisture can easily enter the interior of electronic equipment from small holes, thereby seriously affecting the operating performance and service life of electronic equipment; on the other hand, after long-term use of the product, external dust, Moisture and other impurities are easy to accumulate in the small holes, which will cause the elastic failure of the conductive terminal, corrosion damage of the conductive terminal, etc., and then lead to the failure of the function of the headphone connector.

Utility model content

The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art, and provide an earphone connector and an electronic device with the earphone connector, which aims to solve the poor sealing performance of the existing earphone connector at the joint between the conductive terminal and the insulating socket. technical problems.

The utility model is achieved as follows: an earphone connector, comprising an insulating socket and a conductive terminal embedded in the insulating socket, the insulating socket is provided with an earphone jack for the earphone plug to be inserted into, and the conductive terminal It includes a main body embedded in the insulating socket, a contact portion extending along the main body and protruding on the inner wall of the earphone jack, and a solder leg extending along the main body and protruding outside the insulating socket part; the insulating socket includes a first insulating seat, a second insulating seat and a third insulating seat, the earphone jack is set on the second insulating seat, and the conductive terminal is molded on the On the first insulating seat and form a first assembly with the first insulating seat, the first assembly is inserted and installed on the second insulating seat and form a second assembly with the second insulating seat. Three insulating seats are injection-molded on the second assembly and the first assembly is packaged and fixed on the second insulating seat.

Specifically, the first insulating seat includes a base plate and a plug board protruding from the base board, the main body of the conductive terminal is embedded in the plug board, the contact portion and the solder pin parts respectively extend on both sides of the base plate, the second insulating seat is provided with a mounting hole communicating with the earphone jack, and the plug-in board and the contact portion are inserted into the mounting hole.

Further, the first insulating seat also includes a reinforcing plate, which is protruded on the side wall of the plug-in board facing the side edge of the base plate, and the second insulating seat is provided with the reinforcing plate. The board is fitted with an open slot, and the reinforcing board is inserted into the open slot.

Specifically, the base plate includes a middle plate body and two L-shaped folded plates respectively bent and arranged along both sides of the middle plate body. The L-shaped folded plates include a vertical plate and a horizontal plate. The two ends are respectively connected to the middle board body and the horizontal straight board, and the inserting board is protruded from the horizontal straight board.

Specifically, the earphone jack is a blind hole provided on the second insulating base, which has an open end and a closed end, and the aperture of the open end is larger than the aperture of the closed end.

Preferably, the bottom profile of the second insulating seat is set in a stepped shape, and the bottom profile of the second insulating seat includes a first stepped bottom surface near the open end and a second stepped bottom surface near the closed end, so The distance from the bottom surface of the first step to the center of the earphone jack is greater than the distance from the bottom surface of the second step to the center of the earphone jack.

Specifically, the first component is snap-fitted on the bottom of the second insulating seat, and the first insulating seat is provided with a stepped groove that fits the bottom contour of the second insulating seat. The groove is engaged with the bottom contour of the second insulating seat.

Specifically, the third insulating seat is a U-shaped plate member, which includes a rear plate and side plates respectively bent along two ends of the rear plate, and the rear plate fits The second component is arranged on the rear wall close to the closed end of the earphone jack, and the two side plates are respectively attached to the two side walls of the second component.

Further, the end of the side plate body is also bent toward the inner side of the U-shaped plate-shaped member to be provided with a locking boss, and the second insulating seat is provided with a The card slot, the card position boss is accommodated in the card slot.

The earphone connector provided by the utility model is provided by dividing the insulating socket into three parts, and specifically forming the conductive terminal insert on the first insulating seat to form the first component, and then inserting the first component into the second The second component is formed on the insulating base, and the third insulating base is packaged and molded outside the second component to lock and fix the first component on the second insulating base, thereby completing the assembly and fixing of the conductive terminal and the insulating socket. Wherein, since the conductive terminal is insert-molded on the first insulating seat, that is, the first insulating seat is injection molded and packaged outside the conductive terminal, so that the cooperation between the conductive terminal and the first insulating seat can be made relatively tight, and the conduction Small holes are formed at the joint between the terminal and the insulating socket, thereby improving the sealing performance of the joint between the conductive terminal and the insulating socket, improving the waterproof and dustproof effects of the earphone connector, and ensuring the performance stability and reliability of the earphone connector. service life.

The utility model also provides an electronic device, which includes a body, and the above-mentioned earphone connector is arranged on the body.

The electronic equipment provided by the utility model adopts the above-mentioned earphone connector, so on the premise of effectively realizing the audio function of the electronic equipment, the dustproof and waterproof performance of the electronic equipment is also improved, and the safety of the internal components of the electronic equipment is guaranteed. Performance stability and service life, thus ensuring the comprehensive performance of electronic equipment and improving the market competitiveness of electronic equipment.

Description of drawings

Fig. 1 is an exploded schematic diagram of an earphone connector provided by an embodiment of the present invention;

Figure 2 is a schematic diagram of the assembly of the earphone connector provided by the embodiment of the present invention

Fig. 3 is the bottom view of Fig. 2;

Fig. 4 is a schematic diagram of the assembly of the first assembly provided by the embodiment of the present invention;

Fig. 5 is a schematic structural view of the first insulating seat provided by the embodiment of the present invention;

Fig. 6 is a schematic diagram of the assembly of the second assembly provided by the embodiment of the present invention;

Fig. 7 is a schematic structural view of the second insulating seat provided by the embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1 to 3, the earphone connector provided by the embodiment of the utility model includes an insulating socket 1 and a conductive terminal 2 embedded in the insulating socket 1. The conductive terminal 2 can be stamped and formed by a metal material with good conductivity. The insulating socket 1 is provided with an earphone jack 121 for inserting an earphone plug, and the conductive terminal 2 includes a main body 21 embedded in the insulating socket 1, and a contact portion 22 extending along the main body 21 and projecting on the inner wall of the earphone jack 121. And the welding foot portion 23 extending along the main body portion 21 protrudes outside the insulating socket 1 . The main part 21 of the conductive terminal 2 is used to realize the fixed connection with the insulating socket 1; the contact part 22 is used to contact and electrically connect the signal terminal of the earphone plug; Make electrical connections to the control circuit board. When the earphone plug is inserted into the earphone jack 121 , the signal terminal on the earphone plug can abut against the contact portion 22 of the conductive terminal 2 , thereby effectively realizing the audio transmission function. The insulating socket 1 includes a first insulating seat 11, a second insulating seat 12 and a third insulating seat 13, the first insulating seat 11, the second insulating seat 12 and the third insulating seat 13 can be specifically injection molded by plastic materials, and the earphone jack 121 Set on the second insulating seat 12, the conductive terminal 2 is molded on the first insulating seat 11 by insert injection molding and forms a first assembly 101 with the first insulating seat 11, and the first assembly 101 is inserted into the second insulating seat 12 and form the second component 102 with the second insulating base 12 , the third insulating base 13 is injection molded on the second component 102 and the first component 101 is packaged and fixed on the second insulating base 12 . The first insulating seat 11 is used to realize the fixed connection with the conductive terminal 2, the second insulating seat 12 is used to set the earphone jack 121, and the third insulating seat 13 is used to connect the first insulating seat 11 and the conductive terminal 2 to the first insulating seat 12. The component 101 is locked and fixed on the second insulating base 12 , so that the connection between the first component 101 and the second insulating base 12 can be guaranteed to be stable and reliable. Since the first insulating seat 11 and the second insulating seat 12 are injection molded separately, it is convenient to realize the insert molding of the conductive terminal 2 on the first insulating seat 11, and the insert molding of the conductive terminal 2 will not affect the Molding of the earphone jack 121 . At the same time, the insert molding of the conductive terminal 2 on the first insulating seat 11 can make the cooperation between the conductive terminal 2 and the first insulating seat 11 relatively tight, avoiding the formation of small holes in the joint between the conductive terminal 2 and the insulating socket 1 When the situation occurs, the sealing performance of the joint between the conductive terminal 2 and the insulating socket 1 is improved, thereby improving the waterproof effect and dustproof effect of the earphone connector, and ensuring the performance stability and service life of the earphone connector.

Specifically, the earphone jack 121 is a blind hole provided on the second insulating base 12 and has an open end 1211 and a closed end (not shown), and the aperture of the open end 1211 is larger than the aperture of the closed end. The aperture of the open end 1211 of the earphone jack 121 is set larger than the aperture of the closed end, which is mainly designed according to the structure optimization of the earphone plug. In specific applications, in order to facilitate the plugging and unplugging of the earphone plug in the earphone jack 121 and avoid strong collisions when the earphone plug enters and exits the open end 1211 of the earphone jack 121, the radial dimension of the front end of the earphone plug will be designed to be about 100 mm behind. The radial dimension of the end is slightly smaller. In this embodiment, the diameter of the opening end 1211 of the earphone jack 121 is matched with the radial dimension of the rear end of the earphone plug. In this way, the front end of the earphone plug can be easily inserted into the earphone jack 121, and the earphone plug can be inserted into the earphone plug. The fit contact between the inner wall of the opening end 1211 of the hole 121 and the outer wall of the rear end of the earphone plug ensures that the earphone plug will not slip off easily after being inserted into the earphone jack 121; The radial dimensions are matched, so that the closed end of the earphone jack 121 can be inserted into the front end of the earphone plug, and it is also beneficial to reduce the overall size of the earphone connector, which is conducive to the development of miniaturized products. Of course, in a specific application, the aperture of the closed end of the earphone jack 121 can also be designed to be as large as the aperture of the open end 1211, which can also ensure the smooth insertion of the earphone plug into the earphone jack 121, but it is not conducive to the small size of the product. development.

Specifically, as shown in FIGS. 6 and 7 , the bottom profile and the top profile of the second insulating seat 12 are arranged in a stepped shape, and the bottom profile of the second insulating seat 12 includes a first stepped bottom surface 124 disposed near the open end 1211 and Near the second stepped bottom surface 125 of the closed end, the distance from the first stepped bottom surface 124 to the center of the earphone jack 121 is greater than the distance from the second stepped bottom surface 125 to the center of the earphone jack 121; The first stepped top surface 126 and the second stepped top surface 127 near the closed end are provided. The distance from the first stepped top surface 126 to the center of the earphone jack 121 is greater than the distance from the second stepped top surface 127 to the center of the earphone jack 121 . The bottom profile and the top profile of the second insulating seat 12 are all set in a stepped shape, mainly based on the characteristic that the aperture of the open end 1211 of the earphone jack 121 is larger than the aperture of the closed end for matching optimization design, so that on the one hand, the earphone jack 121 can be guaranteed The uniformity of the wall thickness, on the other hand, is conducive to reducing the overall size of the earphone connector. Of course, in a specific application, the bottom contour and the top contour of the second insulating seat 12 are also set to be flat, but this is not conducive to the miniaturization design of the product.

Preferably, as shown in FIG. 5 and FIG. 6 , the first component 101 is snap-fitted on the bottom of the second insulating seat 12 , and the first insulating seat 11 is provided with a stepped shape adapted to the bottom contour of the second insulating seat 12 The groove 110 , the stepped groove 110 is engaged with the bottom contour of the second insulating seat 12 . The stepped groove 110 includes a first stepped groove 1101 adapted to the first stepped bottom surface 124 and a second stepped groove 1102 adapted to the second stepped bottom surface 125, and the concave depth of the first stepped groove 1101 is greater than that of the second stepped groove With the recessed depth of 1102 , the bottom wall of the first stepped groove 1101 and the bottom wall of the second stepped groove 1102 abut against the first stepped bottom surface 124 and the second stepped bottom surface 125 respectively. The setting of the step-shaped groove 110 on the first insulating seat 11 can ensure the tightness of the bottom contour fit between the first insulating seat 11 and the second insulating seat 12 on the one hand, and help reduce the material consumption of the first insulating seat 11 on the other hand.

Specifically, as shown in FIG. 1 , FIG. 4 and FIG. 5 , the first insulating seat 11 includes a base plate 111 and a plug board 112 protruding from the base plate 111 , and the above-mentioned stepped groove 110 is provided at the middle part of the base plate 111 , The plug board 112 is arranged between the stepped groove 110 and the side edge of the substrate 111, the main body 21 of the conductive terminal 2 is embedded in the plug board 112, and the contact part 22 and the solder leg part 23 respectively extend on both sides of the substrate 111. side, and the contact portion 22 is located on the same side of the substrate 111 as the board 112 , and the contact portion 22 is bent along one end of the main body portion 21 toward the side where the stepped groove 110 is located. The second insulating base 12 is provided with an installation hole 122 communicating with the earphone jack 121 , and the plug board 112 and the contact portion 22 are inserted into the installation hole 122 . The main body 21 is embedded in the board 112. On the one hand, the installation and fixation of the conductive terminal 2 on the first insulating seat 11 can be realized. On the other hand, the main body 21 can be protected by the board 112 to prevent the main body 21 from easily bending. Deform or break. Since the contact portion 22 of the conductive terminal 2 extending into the inner wall of the earphone jack 121 and the soldering foot portion 23 extending outside the insulating socket 1 are separately arranged on both sides of the substrate 111, and the conductive terminal 2 is embedded on the first insulating seat 11 Forming will not cause small holes to be formed on the substrate 111, so although the plug-in fit between the board 112 and the contact portion 22 and the mounting hole 122 will form small holes, the substrate 111 can block the outward extension of the small holes, thus, Even if external impurities such as dust and water can enter the small holes from the earphone jack 121, the external impurities such as dust and water will not enter the electronic device from the small holes, thereby effectively ensuring the waterproof and dustproof effects of the electronic device. The number of plug boards 112 is the same as the number of conductive terminals 2, and the number of conductive terminals 2 is matched according to the structure of the earphone plug. In this embodiment, there are six conductive terminals 2. The number of boards 112 corresponds to six, and the six boards 112 are respectively arranged on both sides of the stepped groove 110, and the installation holes 122 provided on the second insulating base 12 are correspondingly provided with six, and the six installation holes 122 are connected with the six installation holes. The two plugboards 112 are aligned.

Further, as shown in FIG. 1 , FIG. 4 and FIG. 5 , the first insulating base 11 also includes a reinforcing plate 113 , and the reinforcing plate 113 is protruded on the side wall of the inserting plate 112 facing the side edge of the base plate 111 , that is, the reinforcing plate 113 It protrudes from the side wall of the inserting board 112 facing away from the stepped groove 110 . The second insulating base 12 is provided with an opening slot 123 cooperating with the reinforcing plate 113 . The reinforcing plate 113 is inserted into the opening slot 123 . The arrangement of the reinforcing plate 113 can enhance the rigidity and strength of the inserting plate 112 , thereby preventing the inserting plate 112 from being easily bent, deformed or broken. The number of reinforcement boards 113 is the same as the number of boards 112 .

Specifically, as shown in Fig. 1, Fig. 4 and Fig. 5, the base plate 111 is in the shape of "几", which includes a middle plate body 1111 and two L-shaped folded plates 1112 respectively bent and arranged along the two sides of the middle plate body 1111, L The shaped flap 1112 includes a vertical plate 11121 and a horizontal plate 11122. The two ends of the vertical plate 11121 are respectively connected to the middle plate body 1111 and the horizontal plate 11122. The inserting plate 112 protrudes from the horizontal plate 11122. The middle plate body 1111 is a stepped plate, that is, the plate thickness of the middle plate body 1111 is inconsistent. Specifically, the plate thickness of the middle plate body 1111 near the open end 1211 of the earphone jack 121 is smaller than the plate thickness near the closed end of the earphone jack 121, so that The intermediate plate body 1111 and the vertical plate 11121 may form the above-mentioned stepped groove 110 .

Specifically, as shown in Fig. 1, Fig. 2 and Fig. 3, the third insulating seat 13 is a U-shaped plate-shaped member, which includes a rear plate body 131 and two sides respectively bent along the two ends of the rear plate body 131. The front panel 132 and the rear panel 131 are attached to the rear wall of the second component 102 close to the closed end of the earphone jack 121 , and the two side panels 132 are respectively attached to the two side walls of the second component 102 . The rear plate body 131 abuts against the rear walls of the first insulating seat 11 and the second insulating seat 12; the two side plates 132 respectively abut against the side walls of the first insulating seat 11 and the second insulating seat 12, And the reinforcing plate 113 can be compressed. The arrangement of the rear plate 131 and the side plate 132 can, on the one hand, package and fix the first insulating base 11 on the second insulating base 12 , and on the other hand, can strengthen the wall thickness of the earphone jack 121 .

Further, as shown in Fig. 1, Fig. 2 and Fig. 7, the end of the side plate body 132 is also bent toward the inner side of the U-shaped plate member to provide a locking boss 133, and the second insulating seat 12 is provided with a The locking slot 128 is provided in cooperation with the locking boss 133 , and the locking boss 133 is accommodated in the locking slot 128 . The setting of the card position boss 133 and the card slot 128 can improve the stability of the cooperation between the third insulating seat 13 and the second assembly 102; at the same time, the setting of the card slot 128 can facilitate the rapid demoulding of the second insulating seat 12 after forming , so as to ensure the processing and shaping of the second insulating seat 12 .

The embodiment of the utility model also provides an electronic device, which includes a body on which the above earphone connector is arranged. Specifically, the electronic device can be an electronic product with an audio function such as a mobile phone, MP3, MP4, computer, and the like. Due to the above-mentioned headphone connector, on the premise of effectively realizing the audio function of the electronic equipment, it also improves the dustproof and waterproof performance of the electronic equipment, and ensures the performance stability and service life of the internal components of the electronic equipment. Therefore, the comprehensive performance of the electronic equipment is guaranteed, and the market competitiveness of the electronic equipment is improved.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modification, equivalent replacement or improvement made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. An earphone connector, comprising an insulating socket and a conductive terminal embedded in the insulating socket, the insulating socket is provided with an earphone jack for inserting an earphone plug, and the conductive terminal includes a socket embedded in the insulating socket. The main body in the insulating socket, the contact portion extending along the main body and protruding on the inner wall of the earphone jack, and the welding leg extending along the main body and protruding outside the insulating socket are characterized in that: The insulating socket includes a first insulating seat, a second insulating seat and a third insulating seat, the earphone jack is arranged on the second insulating seat, and the conductive terminal is formed on the first insulating seat by insert injection molding. On the insulating seat and form a first assembly with the first insulating seat, the first assembly is inserted and installed on the second insulating seat and form a second assembly with the second insulating seat, the third insulating The seat is injection molded on the second component and the first component package is fixed on the second insulating seat. 2. The earphone connector according to claim 1, wherein the first insulating seat includes a base plate and a plug board protruding from the base plate, and the main body of the conductive terminal is embedded in the base plate. In the plug-in board, the contact portion and the solder leg portion respectively extend on both sides of the substrate, and the second insulating base is provided with a mounting hole communicating with the earphone jack, and the plug-in board and the The contact part is inserted into the installation hole. 3. The earphone connector according to claim 2, wherein the first insulating seat further includes a reinforcing plate, and the reinforcing plate is protruded on the side wall of the plug-in plate facing the side edge of the base plate , the second insulating seat is provided with an open slot that is cooperating with the reinforcing plate, and the reinforcing plate is inserted into the opening slot. 4. The earphone connector according to claim 2 or 3, characterized in that: the base plate comprises a middle plate body and two L-shaped folding plates respectively bent along the two sides of the middle plate body, and the L-shaped The folding plate includes a vertical plate and a horizontal plate, the two ends of the vertical plate are respectively connected to the middle plate body and the horizontal plate, and the inserting plate is protruded from the horizontal plate. 5. The earphone connector according to any one of claims 1 to 3, characterized in that: the earphone jack is a blind hole provided on the second insulating seat, which has an open end and a closed end, and The aperture of the open end is larger than the aperture of the closed end. 6. The earphone connector according to claim 5, characterized in that: the bottom profile of the second insulating base is stepped, and the bottom profile of the second insulating base includes a first The step bottom surface and the second step bottom surface close to the closed end, the distance from the first step bottom surface to the center of the earphone jack is greater than the distance from the second step bottom surface to the center of the earphone jack. 7. The earphone connector according to claim 6, characterized in that: the first component is snap-fitted on the bottom of the second insulating seat, and the first insulating seat is provided with a connection with the second insulating seat A stepped groove adapted to the bottom contour, the stepped groove snap-fits with the bottom contour of the second insulating seat. 8. The earphone connector according to claim 5, wherein the third insulating seat is a U-shaped plate-shaped member, which includes a rear plate body and bends along two ends of the rear plate body respectively. The side board is provided, the rear board is attached to the rear wall of the second component close to the closed end of the earphone jack, and the two side boards are respectively attached to the two sides of the second component wall setting. 9. The earphone connector according to claim 8, characterized in that: the end of the side plate is bent towards the inner side of the U-shaped plate-shaped member and a locking boss is provided, and the second The insulating seat is provided with a card slot cooperating with the card position boss, and the card position boss is accommodated in the card slot. 10. An electronic device, comprising a body, characterized in that: the headphone connector according to any one of claims 1 to 9 is provided on the body.